1) liquid nitrogen freezing
液氮冻结
1.
The liquid nitrogen freezing construction practice of the equipment foundation of Nantun aluminum casting workshop
南屯铝铸车间设备基础坑液氮冻结施工实践
2.
Experiment on uniformity of temperature field in liquid nitrogen freezing
液氮冻结温度场均匀性实验
3.
The samples at different reaction states were obtained by liquid nitrogen freezing in the process of collagen biomineralization.
以紫外光度法监测胶原生物矿化的动力学过程,用液氮冻结法采集胶原生物矿化反应中不同时间状态点的样品,通过扫描电镜和能谱分析,研究胶原生物矿化过程中人工骨表面结构的变化及磷酸钙组成的递变过程。
2) liquid nitrogen freezing method
液氮冻结法
1.
The application of liquid nitrogen freezing method in shield entry engineering
液氮冻结法在盾构进洞工程中的应用
3) vertical freezing of liquefied nitrogen
液氮垂直冻结
4) liquid nitrogen quick- freezing
液氮快速冻结
5) Liquid nitrogen quick freezing
液氮速冻
1.
Study on freezing technology of Pleurotus ferulate varnebrodensis lenzi by liquid nitrogen quick freezing;
白灵菇液氮速冻工艺研究
2.
Slow freezing and liquid nitrogen quick freezing by spray fluidization were compared in an experiment with Tricholoma matsutake.
采用喷雾式流态化液氮速冻及缓冻,探讨了在选用不同的筛板、风速和食品层高,以及不同的冻结温度下松茸的流化状态,冻结速率与解冻后冻品汁液流失率之间的关系等。
6) thawing and freezing test of liquid nitrogen
液氮冻融
1.
The measurement of amylose in glossy ganoderma sporule powder treated with ultrasonic and thawing and freezing test of liquid nitrogen was analysed by the method of phenol-sulfuric acid.
利用苯酚-硫酸法对超声波-液氮冻融处理的灵芝孢子粉多糖含量进行了测试,结果表明采用液氮进行淬冷破壁具有效果好,操作简便等特点;增加冻结-解冻循环次数在一定程度上能提高多糖含量,循环次数以4次左右为宜;将超声波处理法和液氮处理法很好地结合起来,其内容物释放更高,效果更佳,此方法更具实用价值。
补充资料：液氮
分子式：N2
分子量：28.01
CAS号：7727-37-9
性质：熔点-210°C。沸点-196°C。
分子量：28.01
CAS号：7727-37-9
性质：熔点-210°C。沸点-196°C。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条